NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, all time — NPA 864
New assignments by month
Sep 2026
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-02-27 | 864-393-9XXX | 9000–9999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CROSS HILL | SC |
| 2024-02-27 | 864-667-3XXX | 3000–3999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | MOUNTVILLE | SC |
| 2024-02-22 | 864-588-7XXX | 7000–7999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | JOANNA | SC |
| 2023-07-25 | 864-405-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | SALUDA | SC |
| 2023-07-25 | 864-731-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | GREENWOOD | SC |
| 2023-07-25 | 864-755-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CHAPPELLS | SC |
| 2023-07-25 | 864-773-5XXX | 5000–5999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | TROY | SC |
| 2023-07-25 | 864-970-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | NINETY SIX | SC |
| 2023-07-06 | 864-853-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | PLUMBRANCH | SC |
| 2023-05-01 | 864-465-7XXX | 7000–7999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | MCCORMICK | SC |
| 2022-05-26 | 864-742-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | BLACKSBURG | SC |
| 2021-11-04 | 864-767-3XXX | 3000–3999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | ANTIOCH | SC |
| 2013-02-04 | 864-547-2XXX | 2000–2999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CLINTON | SC |
| 2006-07-13 | 864-649-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | GAFFNEY | SC |
| 2004-12-29 | 864-424-9XXX | 9000–9999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | UNION | SC |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.